A British anti-terror expert and a former Home Office scientific adviser, Dr. Sally Leivesley, told the Sunday Express that hackers could have hijacked the plane's system and remotely program it to either crash or land.

“This is a very early version of what I would call a smart plane, a fly-by-wire aircraft controlled by electronic signals,” Dr Sally said.

“It is looking more and more likely that the control of some systems was taken over in a deceptive manner, either manually, so someone sitting in a seat overriding the autopilot, or via a remote device turning off or overwhelming the systems.”

According to her, such attack can be carried out using USB stick or mobile phones. A set of commands and codes are inserted. These codes can initiate a series of processes.

On the other side, German security consultant, Hugo Teso, the researcher who demonstrated that an airplanes could be remotely hijacked last year, said on his website that he doesn't think the plane was hijacked.

"I spent the last days talking with countless journalists, all of them interested on the possibility that the MH370 was victim of some kind of on board systems hack; my answer to all of them was the same: I don’t think the MH370 was hacked.Looks like that was not what they were expecting so, as far as I know, no mentions to those interviews have been published. Not going into detail about the reasons behind my opinion, being common sense one of them, I would like to make it clear here: I don’t think the MH370 was hacked.There is very little and incomplete information about what happened to the MH370, so let’s wait for further developments and avoid speculating with highly unlikely theories."